Behavioral task
behavioral1
Sample
51ff96d51e3e8ef0565524c89cc7a39d_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
51ff96d51e3e8ef0565524c89cc7a39d_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
51ff96d51e3e8ef0565524c89cc7a39d_cryptolocker_JC.exe
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Size
35KB
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MD5
51ff96d51e3e8ef0565524c89cc7a39d
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SHA1
ac02a9a91cfc411aa756dfa7c4e6eb737cefe474
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SHA256
bde7af2709c23e53b3b94aad041deb1db679aec827912a0ada8070f1ec4e87bd
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SHA512
d648faa1b92110998f37a31a8f96c49e5cc46ab7812eab6e02abac9161d0e809bf2d1edb7072d06085cf220b5bbce25c3230e1adc4b712e8ee6a86054eef69a5
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SSDEEP
768:qUmnjFom/kLyMro2GtOOtEvwDpjeMLam5aFrdt:qUmnpomddpMOtEvwDpjjaYaFBt
Malware Config
Signatures
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resource yara_rule sample upx -
Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource 51ff96d51e3e8ef0565524c89cc7a39d_cryptolocker_JC.exe unpack001/out.upx
Files
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51ff96d51e3e8ef0565524c89cc7a39d_cryptolocker_JC.exe.exe windows x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
UPX0 Size: - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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out.upx.exe windows x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ